Home / 14,773.20-22,159.80-7,378.80

Finding the Fourth Proportional to 14,773.20, 22,159.80 and 7,378.80

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Solution

The fourth proportional to 14,773.20, 22,159.80 and 7,378.80 is: 11,068.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,773.20 : 22,159.80 = 7,378.80 : x
  2. Step 2: Convert to fraction form
    14,773.20/22,159.80 = 7,378.80/x
  3. Step 3: Cross multiply
    14,773.20x = 22,159.80 × 7,378.80
  4. Step 4: Simplify right side
    14,773.20x = 163,512,732.24
  5. Step 5: Solve for x
    x = 163,512,732.24/14,773.20
  6. Step 6: Final answer
    x = 11,068.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.